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href="https://www.thinkib.net/chemistry/page/17121/general-text-books" >General text books</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17131/post-ib-text-books" >Post IB text books</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17132/journals" >Journals</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17133/newspaper-articles" >Newspaper articles</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17124/demonstrations" >Demonstrations</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17139/chemistry-videos" >Chemistry videos</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17140/web-links" >Web links</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17138/chemistry-apps" >Chemistry apps</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17348/novel-uses-for-the-ib-data-booklet-" >Novel uses for the IB data booklet </a></li><li ><a 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class="father">Teaching each topic & sub-topic</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16328/topic-1" >Topic 1</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16907/topics-2-12-" >Topics 2 & 12 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17021/topics-3-13" >Topics 3 & 13</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17114/topics-4-14" >Topics 4 & 14</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17669/topics-5-15-" >Topics 5 & 15 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17848/topics-6-16" >Topics 6 & 16</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18038/topics-7-17-" >Topics 7 & 17 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18120/topics-8-18-" >Topics 8 & 18 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18350/topics-9-19" >Topics 9 & 19</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18475/topics-10-20-" >Topics 10 & 20 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17285/topics-11-21-" >Topics 11 & 21 </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16441/the-nature-of-science" class="father">The Nature of Science</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16450/key-terms-concepts" >Key terms & concepts</a></li><li ><a href="https://www.thinkib.net/chemistry/page/34566/nos-critical-thinking" >NOS & Critical Thinking</a></li><li ><a href="https://www.thinkib.net/chemistry/page/32100/how-the-elements-were-named" >How the elements were named</a></li><li ><a href="https://www.thinkib.net/chemistry/page/36753/the-culture-of-chemistry" >The Culture of Chemistry</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17333/nature-of-science-questions" >Nature of Science questions</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16413/incorporating-im-tok-utilization-etc" class="father">Incorporating IM, TOK, 'Utilization' etc.</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16414/topic-1" >Topic 1</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16916/topics-2-12" >Topics 2 & 12</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17023/topics-3-13-" >Topics 3 & 13 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17055/topics-4-14-" >Topics 4 & 14 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17270/topics-5-15-" >Topics 5 & 15 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17854/topics-6-16-" >Topics 6 & 16 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18041/topics-7-17-" >Topics 7 & 17 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18099/topics-8-18" >Topics 8 & 18</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18349/topics-9-19-" >Topics 9 & 19 </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18420/topics-10-20" >Topics 10 & 20</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17269/topics-11-21-" >Topics 11 & 21 </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/17866/utilization-relationships-between-topics-" class="father">'Utilization' - Relationships between topics </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/17867/relating-topics-4-14-to-all-the-other-topics" >Relating Topics 4 & 14 to all the other topics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17868/example-of-connections" >Example of connections</a></li><li ><a href="https://www.thinkib.net/chemistry/page/34404/hydroxychloroquine-ib-chemistry" >Hydroxychloroquine & IB Chemistry</a></li><li ><a href="https://www.thinkib.net/chemistry/page/35418/ammonium-nitrate-ib-chemistry" >Ammonium nitrate & IB Chemistry</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16685/multiple-choice-tests-for-each-topic" class="father">Multiple choice tests for each topic</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16687/sl-questions-by-topic" >SL Questions by topic</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16688/hl-questions-by-topic" >HL Questions by topic</a></li></ul></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/19044/options-" >Options </a><ul class="level-1"><li ><a href="https://www.thinkib.net/chemistry/page/19503/option-a-" class="father">Option A </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/19504/introduction-to-materials-science-" >Introduction to materials science </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19519/metals-and-icp-spectroscopy" >Metals and ICP spectroscopy</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19541/catalysts-" >Catalysts </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19580/liquid-crystals" >Liquid crystals</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19665/polymers-" >Polymers </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19672/nanotechnology" >Nanotechnology</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19843/environmental-impact-plastics" >Environmental impact - plastics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19858/superconducting-metals-x-ray-crystallography-" >Superconducting metals & X-ray crystallography </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19666/condensation-polymers" >Condensation polymers</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19916/environmental-impact-heavy-metals" >Environmental impact - heavy metals</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/19284/option-b-" class="father">Option B </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/19290/introduction-to-biochemistry-" >Introduction to biochemistry </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19287/proteins-enzymes-" >Proteins & enzymes </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19291/lipids" >Lipids</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19299/carbohydrates-" >Carbohydrates </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19305/vitamins-" >Vitamins </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19313/biochemistry-the-environment-" >Biochemistry & the environment </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19336/proteins-enzymes-ahl-" >Proteins & enzymes (AHL) </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19347/nucleic-acids-" >Nucleic acids </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19361/biological-pigments-" >Biological pigments </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19366/stereochemistry-in-biomolecules" >Stereochemistry in biomolecules</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/19390/option-c-" class="father">Option C </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/19391/energy-sources" >Energy sources</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19407/fossil-fuels" >Fossil fuels</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19411/nuclear-fusion-nuclear-fission-reactions" >Nuclear fusion & nuclear fission reactions</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19429/solar-energy" >Solar energy</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19437/environmental-impact-global-warming" >Environmental impact - global warming</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19453/electrochemistry-rechargeable-batteries-fuel-cells" >Electrochemistry, rechargeable batteries & fuel cells</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19458/nuclear-fusion-fission-hl-" >Nuclear fusion & fission (HL) </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19470/photovoltaic-cells-and-dsscs" >Photovoltaic cells and DSSCs</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/19078/option-d" class="father">Option D</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/19079/pharmaceutical-products-drug-action-" >Pharmaceutical products & drug action </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19158/aspirin-penicillin-" >Aspirin & penicillin </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19174/opiates" >Opiates</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19184/ph-regulation-of-the-stomach" >pH regulation of the stomach</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19194/antiviral-medications-" >Antiviral medications </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19211/environmental-impact-of-some-medications" >Environmental impact of some medications</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19254/taxol-a-chiral-auxiliary-case-study" >Taxol - a chiral auxiliary case study</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19258/nuclear-medicine-" >Nuclear medicine </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19273/drug-detection-analysis-" >Drug detection & analysis </a></li></ul></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16592/practical-scheme-of-work-ia-" >Practical scheme of work & IA </a><ul class="level-1"><li ><a href="https://www.thinkib.net/chemistry/page/16682/internal-assessment" class="father">Internal Assessment</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/18892/scaffolding-the-investigation" >'Scaffolding' the investigation</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18896/timing-organisation-" >Timing & organisation </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18905/choosing-the-research-question" >Choosing the research question</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18946/personal-engagement" >Personal engagement</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18950/exploration" >Exploration</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18957/analysis" >Analysis</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18965/evaluation" >Evaluation</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18966/communication" >Communication</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19882/internal-standardization-of-the-ia" >Internal standardization of the IA</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19901/submitting-the-samples-for-moderation" >Submitting the samples for moderation</a></li><li ><a href="https://www.thinkib.net/chemistry/page/33754/ten-suggestions-for-ias-using-secondary-data" >Ten suggestions for IAs using secondary data</a></li><li ><a href="https://www.thinkib.net/chemistry/page/37544/gaining-full-marks-for-a-databased-ia-" >Gaining full marks for a databased IA </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19506/ia-example-marking-exercise-" >IA example & marking exercise </a></li><li ><a href="https://www.thinkib.net/chemistry/page/23929/genuine-examples-of-moderated-ia-reports" >Genuine examples of moderated IA reports</a></li><li ><a href="https://www.thinkib.net/chemistry/page/25234/examples-of-teacher-marked-ia-reports-" >Examples of teacher-marked IA reports </a></li><li ><a href="https://www.thinkib.net/chemistry/page/37542/history-of-internal-assessment" >History of Internal Assessment</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16598/mandatory-laboratory-components" class="father">Mandatory laboratory components</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16613/formula-of-magnesium-oxide-" >Formula of magnesium oxide </a></li><li ><a href="https://www.thinkib.net/chemistry/page/16612/determining-the-mr-of-an-unknown-gas" >Determining the <i>M</i><sub>r</sub> of an unknown gas</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16615/acid-base-titrations-" >Acid-base titrations </a></li><li ><a href="https://www.thinkib.net/chemistry/page/16616/a-green-acid-base-practical" >A green acid-base practical</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16617/analysis-of-aspirin-tablets" >Analysis of aspirin tablets</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16618/caco3-in-egg-shells" >CaCO<sub>3</sub> in egg shells</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16644/enthalpy-changes" >Enthalpy changes</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16631/reaction-rates" >Reaction rates</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16635/rate-dependent-factors" >Rate-dependent factors</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16636/determining-ea-for-a-reaction" >Determining <i>E</i><sub>a</sub> for a reaction</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16637/iodination-of-propanone" >Iodination of propanone</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18144/titrations-with-a-ph-meter" >Titrations with a pH meter</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18355/redox-titration-with-kmno4-" >Redox titration with KMnO<sub>4</sub> </a></li><li ><a href="https://www.thinkib.net/chemistry/page/16640/voltaic-cells" >Voltaic cells</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16659/3-d-molecular-modelling-" >3-D molecular modelling </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/17168/other-good-practicals" class="father">Other good practicals</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/17196/common-chemical-reactions" >Common chemical reactions</a></li><li ><a href="https://www.thinkib.net/chemistry/page/227/elements-oxides-of-the-third-period-" >Elements & oxides of the third period </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17239/the-halogens" >The halogens</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17162/boiling-points-of-mixtures" >Boiling points of mixtures</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17170/polarity-of-molecules" >Polarity of molecules</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18083/le-chateliers-principle-" >Le Chatelier's principle </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19582/determining-kc-for-an-esterification-reaction" >Determining <i>K</i><sub>c</sub> for an esterification reaction</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18164/redox-reactions-of-vanadium-" >Redox reactions of vanadium </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18351/chlorine-in-swimming-pools-" >Chlorine in swimming pools </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18178/analysis-of-cuii-ions-in-solution-" >Analysis of Cu(II) ions in solution </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18179/percentage-of-copper-in-brass" >Percentage of copper in brass</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18356/electrolytic-cells-" >Electrolytic cells </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18598/reactions-of-organic-compounds" >Reactions of organic compounds</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18752/hydrolysis-of-halogenoalkanes" >Hydrolysis of halogenoalkanes</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18784/preparation-of-13-dinitrobenzene-" >Preparation of 1,3-dinitrobenzene </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19022/determination-of-an-organic-structure" >Determination of an organic structure</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19887/preparation-of-nylon-66" >Preparation of nylon 6,6</a></li><li ><a href="https://www.thinkib.net/chemistry/page/19343/determination-of-vitamin-c-content-" >Determination of vitamin C content </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19342/hydrolysis-of-starch-" >Hydrolysis of starch </a></li><li ><a href="https://www.thinkib.net/chemistry/page/19159/preparation-purification-of-aspirin-" >Preparation & purification of aspirin </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/18851/ict-in-practical-work" class="father">ICT in practical work</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/18852/data-logging-" >Data logging </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18853/software-for-graph-plotting-" >Software for graph plotting </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18854/spreadsheets-for-data-processing-" >Spreadsheets for data processing </a></li><li ><a href="https://www.thinkib.net/chemistry/page/18855/databases" >Databases</a></li><li ><a href="https://www.thinkib.net/chemistry/page/18856/computer-modelling-simulations-" >Computer modelling & simulations </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16594/group-4-project" class="father">Group 4 Project</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16595/practicalities" >Practicalities</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16596/reflective-statement-" >Reflective statement </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16666/a-new-laboratory" >A new laboratory?</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16284/exams" >Exams</a><ul class="level-1"><li ><a href="https://www.thinkib.net/chemistry/page/16286/essential-facts" class="father">Essential Facts</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16287/objectives-command-terms" >Objectives & command terms</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16288/grade-descriptors" >Grade descriptors</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16289/grade-boundaries" >Grade boundaries</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16302/paper-1-multiple-choice" class="father">Paper 1 (Multiple Choice)</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16303/advice-to-students-paper-1" >Advice to students (Paper 1)</a></li><li ><a href="https://www.thinkib.net/chemistry/page/31515/practice-paper-1-exams" >Practice Paper 1 exams</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16305/paper-2" class="father">Paper 2</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16306/advice-to-students-paper-2" >Advice to students (Paper 2)</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16307/areas-of-difficulty" >Areas of difficulty</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16313/paper-3-" class="father">Paper 3 </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16314/advice-to-students-paper-3" >Advice to students (Paper 3)</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16342/data-response-questions" >Data response questions</a></li><li ><a href="https://www.thinkib.net/chemistry/page/20054/experimental-work-questions" >Experimental work questions</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16324/the-examination-process" class="father">The examination process</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/16316/setting-the-exam-papers" >Setting the exam papers</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16317/predicted-grades" >Predicted grades</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16318/marking-the-papers" >Marking the papers</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16319/commenting-on-the-exams" >Commenting on the exams</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16320/grade-awarding" >Grade Awarding</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16321/enquiry-upon-results" >Enquiry upon results</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16322/chief-examiners-report" >Chief Examiner's report</a></li><li ><a href="https://www.thinkib.net/chemistry/page/16323/retaking-the-exam" >Retaking the exam</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/16325/faqs" >FAQs</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/3147/ib-core" >IB Core</a><ul class="level-1"><li ><a href="https://www.thinkib.net/chemistry/page/3149/learner-profile" >Learner Profile</a></li><li ><a href="https://www.thinkib.net/chemistry/page/21735/extended-essays-" class="father">Extended Essays </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/21736/overview-" >Overview </a></li><li ><a href="https://www.thinkib.net/chemistry/page/21780/responsibilities" >Responsibilities</a></li><li ><a href="https://www.thinkib.net/chemistry/page/21790/resources" >Resources</a></li><li ><a href="https://www.thinkib.net/chemistry/page/21800/research" >Research</a></li><li ><a href="https://www.thinkib.net/chemistry/page/21804/writing-the-essay" >Writing the essay</a></li><li ><a href="https://www.thinkib.net/chemistry/page/21810/assessment" >Assessment</a></li><li ><a href="https://www.thinkib.net/chemistry/page/22434/summary-of-advice-" >Summary of advice </a></li><li ><a href="https://www.thinkib.net/chemistry/page/25272/faqs-" >FAQs </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/307/theory-of-knowledge-tok" class="father">Theory of Knowledge (TOK)</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/41171/the-12-tok-concepts" >The 12 TOK concepts</a></li><li ><a href="https://www.thinkib.net/chemistry/page/3507/why-tok-chemistry" >Why TOK & Chemistry?</a></li><li ><a href="https://www.thinkib.net/chemistry/page/3505/a-modern-paradigm" >A modern paradigm</a></li></ul></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/17783/fast-track-to-tests-questions" >Fast track to tests & questions</a><ul class="level-1"><li ><a href="https://www.thinkib.net/chemistry/page/17784/sl-multiple-choice-tests-on-individual-topics" >SL Multiple choice tests on individual topics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/24351/sl-multiple-choice-quizzes-on-sub-topics" >SL Multiple choice 'quizzes' on sub-topics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/31519/sl-practice-paper-1-exams" >SL Practice Paper 1 exams</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17786/sl-questions-on-each-sub-topic" >SL Questions on each sub-topic</a></li><li ><a href="https://www.thinkib.net/chemistry/page/20431/sl-paper-3-section-a-questions" >SL Paper 3 Section A questions</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17792/sl-questions-on-the-options" >SL Questions on the options</a></li><li ><a href="https://www.thinkib.net/chemistry/page/24897/sl-quizzes-on-option-sub-topics-" >SL Quizzes on option sub-topics </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17785/hl-multiple-choice-tests-on-individual-topics" >HL Multiple choice tests on individual topics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/24352/hl-multiple-choice-quizzes-on-sub-topics" >HL Multiple choice 'quizzes' on sub-topics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/31520/hl-practice-paper-1-exams-" >HL Practice Paper 1 exams </a></li><li ><a href="https://www.thinkib.net/chemistry/page/17787/hl-questions-on-each-sub-topic-" >HL Questions on each sub-topic </a></li><li ><a href="https://www.thinkib.net/chemistry/page/20428/hl-paper-3-section-a-questions" >HL Paper 3 Section A questions</a></li><li ><a href="https://www.thinkib.net/chemistry/page/17793/hl-questions-on-the-options" >HL Questions on the options</a></li><li ><a href="https://www.thinkib.net/chemistry/page/24973/hl-quizzes-on-option-sub-topics" >HL Quizzes on option sub-topics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/41573/printable-versions-of-written-tasks-" >Printable versions of written tasks </a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/41465/complete-course-for-students-" >Complete course for students </a><ul class="level-1"><li ><a href="https://www.thinkib.net/chemistry/page/27988/full-coverage-of-each-topic-and-sub-topic" class="father">Full coverage of each topic and sub-topic</a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/27959/topic-1-stoichiometric-relationships" >Topic 1 : Stoichiometric relationships</a></li><li ><a href="https://www.thinkib.net/chemistry/page/27960/topics-2-12-atomic-structure" >Topics 2 & 12 : Atomic structure</a></li><li ><a href="https://www.thinkib.net/chemistry/page/27965/topics-3-13-periodicity" >Topics 3 & 13 : Periodicity</a></li><li ><a href="https://www.thinkib.net/chemistry/page/27971/topics-4-14-chemical-bonding-structure" >Topics 4 & 14 : Chemical bonding & structure</a></li><li ><a href="https://www.thinkib.net/chemistry/page/27987/topics-5-15-energeticsthermochemistry" >Topics 5 & 15 : Energetics/thermochemistry</a></li><li ><a href="https://www.thinkib.net/chemistry/page/27995/topics-6-16-chemical-kinetics" >Topics 6 & 16 : Chemical kinetics</a></li><li ><a href="https://www.thinkib.net/chemistry/page/28001/topics-7-17-equilibrium-" >Topics 7 & 17 : Equilibrium </a></li><li ><a href="https://www.thinkib.net/chemistry/page/28017/topics-8-18-acids-and-bases-" >Topics 8 & 18 : Acids and bases </a></li><li ><a href="https://www.thinkib.net/chemistry/page/28031/topics-9-19-redox-process" >Topics 9 & 19 : Redox process</a></li><li ><a href="https://www.thinkib.net/chemistry/page/28061/topics-10-20-organic-chemistry" >Topics 10 & 20 : Organic chemistry</a></li><li ><a href="https://www.thinkib.net/chemistry/page/28038/topics-11-21-measurement-data-processing-analysis" >Topics 11 & 21 : Measurement, data processing & analysis</a></li><li ><a href="https://www.thinkib.net/chemistry/page/28074/option-a-materials-" >Option A : Materials </a></li><li ><a href="https://www.thinkib.net/chemistry/page/28087/option-b-biochemistry" >Option B : Biochemistry</a></li><li ><a href="https://www.thinkib.net/chemistry/page/28098/option-c-energy-" >Option C : Energy </a></li><li ><a href="https://www.thinkib.net/chemistry/page/28109/option-d-medicinal-chemistry" >Option D : Medicinal chemistry</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/41553/practical-work-including-ia-group-4-project-" class="father">Practical work (including IA & Group 4 Project) </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/41528/internal-assessment" >Internal Assessment</a></li><li ><a href="https://www.thinkib.net/chemistry/page/41657/group-4-project" >Group 4 Project</a></li></ul></li><li ><a href="https://www.thinkib.net/chemistry/page/41387/approaches-to-learning-" class="father">Approaches to learning </a><ul class="level-2"><li ><a href="https://www.thinkib.net/chemistry/page/41380/thinking-skills" >Thinking skills</a></li><li ><a href="https://www.thinkib.net/chemistry/page/41383/communication-skills" >Communication 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<h1>Blog posts</h1>
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<a title="Metallic hydrogen" href="chemistry/blog/22776/metallic-hydrogen"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/screen-shot-2017-02-10-at-12.20.19.png" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/22776/metallic-hydrogen">Metallic hydrogen</a> <span class="details pull-right">10 February 2017 </span></h3>
<p>Back in 1989 Martin Fleischmann and Stanley Pons claimed to have achieved cold fusion. Cold fusion is the fusion of two small nuclei occurring at or near room temperature with the release of energy. Their... <a class="font-normal" href="chemistry/blog/22776/metallic-hydrogen">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="Carbon atoms can bond to more than four other carbon atoms" href="chemistry/blog/22612/carbon-atoms-can-bond-to-more-than-four-other-carbon-atoms"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/c6(ch3)62--structure.png" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/22612/carbon-atoms-can-bond-to-more-than-four-other-carbon-atoms">Carbon atoms can bond to more than four other carbon atoms</a> <span class="details pull-right">16 JIB Docs (2) Teamary 2017 </span></h3>
<p>“Each carbon atom can only bond to a maximum of four other carbon atoms.” This well known and seemingly incontrovertible axiom of organic chemistry has now been definitely shown not to be true. The... <a class="font-normal" href="chemistry/blog/22612/carbon-atoms-can-bond-to-more-than-four-other-carbon-atoms">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="Updated periodic table" href="chemistry/blog/22489/updated-periodic-table"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/old-elements.png" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/22489/updated-periodic-table">Updated periodic table</a> <span class="details pull-right">23 December 2016 </span></h3>
<p>Since the IB data booklet for first use in the May 2016 examination session came into existence there have been several updates as mistakes were corrected. The latest version, which can be downloaded... <a class="font-normal" href="chemistry/blog/22489/updated-periodic-table">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="2,4-dinitrophenylhydrazine (2,4-DNP)" href="chemistry/blog/22141/24-dinitrophenylhydrazine-24-dnp"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/swansea-university.png" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/22141/24-dinitrophenylhydrazine-24-dnp">2,4-dinitrophenylhydrazine (2,4-DNP)</a> <span class="details pull-right">2 November 2016 </span></h3>
<p>Years ago when I first started teaching at Atlantic College I came across a bottle of picric acid in the store room. It had completely dried out and posed a considerable risk of explosion as friction... <a class="font-normal" href="chemistry/blog/22141/24-dinitrophenylhydrazine-24-dnp">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="YInMn blue " href="chemistry/blog/21556/yinmn-blue-"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/tutankamen-death-mask.png" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/21556/yinmn-blue-">YInMn blue </a> <span class="details pull-right">24 August 2016 </span></h3>
<p>Colour is an important aspect of chemistry and integrates well with the Group 6 subject Visual Arts. In the 1980s ‘Colour Chemistry’ used to be one of the Options on the now defunct SL Applied Chemistry... <a class="font-normal" href="chemistry/blog/21556/yinmn-blue-">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="An IB Chemistry question I cannot answer" href="chemistry/blog/21050/an-ib-chemistry-question-i-cannot-answer"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/titration-.jpg" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/21050/an-ib-chemistry-question-i-cannot-answer">An IB Chemistry question I cannot answer</a> <span class="details pull-right">28 May 2016 </span></h3>
<p>There has been considerable controversy in the UK recently about the SAT tests in English given to all 10-11 year olds. This was compounded when the tests were leaked before they were due to be taken... <a class="font-normal" href="chemistry/blog/21050/an-ib-chemistry-question-i-cannot-answer">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="Time Zone Zero (TZ0)" href="chemistry/blog/20973/time-zone-zero-tz0"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/Exams/Taking exams.jpg" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/20973/time-zone-zero-tz0">Time Zone Zero (TZ0)</a> <span class="details pull-right">16 May 2016 </span></h3>
<p>Astute observers will have noticed that the IB Chemistry Diploma exams were labelled TZ0 this year. From the very first IB Diploma exams back in the early 1970's until 2007 there was always just one set... <a class="font-normal" href="chemistry/blog/20973/time-zone-zero-tz0">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="Significant digits in context" href="chemistry/blog/20860/significant-digits-in-context"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/significant-digits-in-context.png" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/20860/significant-digits-in-context">Significant digits in context</a> <span class="details pull-right">24 April 2016 </span></h3>
<p>A teacher has asked about a possible problem following an IB question that appeared on a past paper where a volume of 500 cm3 is quoted. The question asked by the teacher is; “Does a volume of 500 cm3... <a class="font-normal" href="chemistry/blog/20860/significant-digits-in-context">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="Index of Hydrogen Deficiency (IHD)" href="chemistry/blog/20629/index-of-hydrogen-deficiency-ihd"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/maria-sharapova.jpg" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/20629/index-of-hydrogen-deficiency-ihd">Index of Hydrogen Deficiency (IHD)</a> <span class="details pull-right">12 March 2016 </span></h3>
<p>The Index of Hydrogen Deficiency applies to organic compounds and is part of sub-topic 11.3 Spectroscopic identification of organic compounds in the IB programme. Most books and websites that deal with... <a class="font-normal" href="chemistry/blog/20629/index-of-hydrogen-deficiency-ihd">more <i class="fa fa-arrow-circle-right"></i></a></p>
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<a title="Strike a light" href="chemistry/blog/20603/strike-a-light"><img src="https://teacher-sites-storage-thumbnails.inthinking.net/ib/chemistry/images/2014-blog/geoff-s-book.jpg" class="thumb thumb64" /></a>
<h3 class="blog-list-title"><a href="chemistry/blog/20603/strike-a-light">Strike a light</a> <span class="details pull-right">6 March 2016 </span></h3>
<p>Those who have been teaching IB Chemistry for some years now may remember the cover of the first edition of my Study Guide published by OUP. It showed a burning match.Recently the American Chemical Society... <a class="font-normal" href="chemistry/blog/20603/strike-a-light">more <i class="fa fa-arrow-circle-right"></i></a></p>
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function createPrevGroup(ul) {
var group = $('<div/>');
group.append(ul.find('li:first-child')); // [<]
if (!ul.find('li:first-child').hasClass('active')) {
group.append(ul.find('li:first-child'));
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return group;
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var group = $('<div/>');
group.append(ul.find('li:last-child')); // [>]
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group.prepend(ul.find('li:last-child'));
}
return group;
}
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}
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var ul = $('ul#blog-pagination');
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var maxItems = Math.floor(i)-4;
var prevGroup = createPrevGroup(ul);
var nextGroup = createNextGroup(ul);
// At this point we know how many items we need for the central group
var centralItems = maxItems - prevGroup.find('li').size() - nextGroup.find('li').size();
var separator = $('<li/>', {class: 'separator disabled', html: '<a href="#">...</a>'});
var centralGroup = createCentralGroup(ul, centralItems, separator);
ul.html(prevGroup.html() + centralGroup.html() + nextGroup.html());
}
ul.css('height', 'auto');
}
arrange_pagination();
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}
n++;
});
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